Respuesta :

Answer:

Step-by-step explanation:

f(x) = x^2 + 3x - x/2

f(x) = x^2 + 2.5x    

   

  • 3x - 1/2x =
  • 6x/2 - 1/2x =
  • 5x/2 =
  • 2.5x

f(6) = 6^2 + 2.5*6

f(6) = 36 + 15

f(6) = 51